Fill in the table “Main ecological groups of birds” (by habitat, by feeding method).

Environmental group name Structural features Representatives
Ecological groups of birds by habitat
Birds of the forest Small body size; short wide wings; a long tail; short sharp beak; tenacious paws Woodpecker, thrush, cuckoo
Birds of open spaces Small body; short legs; developed pectoral muscles; elongated wings and tail; small, wide-opening beak Swallow, swift
Birds of water Wide body with tight-fitting plumage; legs wide apart; webbed feet Ducks, swans, geese
Swamp birds The body is dense, shifted downward; long legs without membranes; an elongated sharp beak or filter beak Stork, heron
Birds of the steppes Camouflage painting; strong long legs; elongated neck; powerful beak bustard, crane
Birds of the city Live in a city
Ecological groups of birds by way of feeding
Herbivorous They have a powerful beak due to which they can break through the dense shells of the fruit Greenfinch
Insectivores They have thin pointed beaks thanks to which they can pull their prey from the leaves Tit, pika
Carnivores They have strong legs with

powerful claws, thanks to which they grab prey.

Eagle
Omnivores They have a tapered beak that helps them feed on various types of food. Magpie
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